Home / 1,113,988.24-1,670,981.26-394,856.76

Finding the Fourth Proportional to 1,113,988.24, 1,670,981.26 and 394,856.76

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Solution

The fourth proportional to 1,113,988.24, 1,670,981.26 and 394,856.76 is: 592,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,988.24 : 1,670,981.26 = 394,856.76 : x
  2. Step 2: Convert to fraction form
    1,113,988.24/1,670,981.26 = 394,856.76/x
  3. Step 3: Cross multiply
    1,113,988.24x = 1,670,981.26 × 394,856.76
  4. Step 4: Simplify right side
    1,113,988.24x = 659,798,246,344.32
  5. Step 5: Solve for x
    x = 659,798,246,344.32/1,113,988.24
  6. Step 6: Final answer
    x = 592,284.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.